| Name | Physarum polycephalum var. obrusseum (Berkeley & M. A. Curtis) Lister |
| Authorship | (Berkeley & M. A. Curtis) Lister |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Physarum polycephalum Schweinitz |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Physarum polycephalum var. obrusseum (Berkeley & M. A. Curtis) Lister |
| Identification made in | [no date] (5) |